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Detection rules › Sigma

WCE wceaux.dll Access

Status
test
Severity
critical
Log source
product windows, service security
Author
Thomas Patzke
Source
github.com/SigmaHQ/sigma

Detects wceaux.dll access while WCE pass-the-hash remote command execution on source host

MITRE ATT&CK coverage

TacticTechniques
Credential Access

Telemetry coverage

ProviderRecord / event type
Security-AuditingEvent ID 4656: A handle to an object was requested.
Security-AuditingEvent ID 4663: An attempt was made to access an object.

Rule body

title: WCE wceaux.dll Access
id: 1de68c67-af5c-4097-9c85-fe5578e09e67
status: test
description: Detects wceaux.dll access while WCE pass-the-hash remote command execution on source host
references:
    - https://www.jpcert.or.jp/english/pub/sr/ir_research.html
    - https://jpcertcc.github.io/ToolAnalysisResultSheet
author: Thomas Patzke
date: 2017-06-14
modified: 2025-01-30
tags:
    - attack.credential-access
    - attack.t1003
    - attack.s0005
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID:
            - 4656
            - 4663
        ObjectName|endswith: '\wceaux.dll'
    condition: selection
falsepositives:
    - Unknown
level: critical

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID:
        - 4656
        - 4663
    ObjectName|endswith: '\wceaux.dll'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
ObjectNameends_with
  • \wceaux.dll
field:"ObjectName" kind:ends_with value:"\wceaux.dll"